Home / 1,721,076.57-2,376,058.59-1,309,949.73

Finding the Fourth Proportional to 1,721,076.57, 2,376,058.59 and 1,309,949.73

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Solution

The fourth proportional to 1,721,076.57, 2,376,058.59 and 1,309,949.73 is: 1,808,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,076.57 : 2,376,058.59 = 1,309,949.73 : x
  2. Step 2: Convert to fraction form
    1,721,076.57/2,376,058.59 = 1,309,949.73/x
  3. Step 3: Cross multiply
    1,721,076.57x = 2,376,058.59 × 1,309,949.73
  4. Step 4: Simplify right side
    1,721,076.57x = 3,112,517,308,434.68
  5. Step 5: Solve for x
    x = 3,112,517,308,434.68/1,721,076.57
  6. Step 6: Final answer
    x = 1,808,471.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.